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Merle Norman
Brilliant C Brightening Serum

Versus

Peter Thomas Roth
FIRMx Collagen Serum

Product category and function

Brilliant C Brightening Serum

FIRMx Collagen Serum

Serums/Treatments	Serums/Treatments
Concentrated formulas for hydrating and addressing skin issues.	Concentrated formulas for hydrating and addressing skin issues.
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Ingredient highlights

Brilliant C Brightening Serum

FIRMx Collagen Serum

Ingredient info	Ingredient info
Alcohol-free Paraben-free SLS-free Mica-free Fragrance-free	Alcohol-free Paraben-free SLS-free Mica-free Fragrance-free

Full ingredient list

Brilliant C Brightening Serum

FIRMx Collagen Serum

No. of common ingredients = 0
Cyclomethicone, water/aqua/eau, disiloxane, polyethylene, dimethicone, polysilicone-11, cyclopentasiloxane, ascorbyl glucoside, caprylic/capric triglyceride, butylene glycol, glycerin, vinyl dimethicone/methicone silsesquioxane crosspolymer, peg-10 dimethicone, titanium dioxide (ci 77891), glycyrrhiza glabra (licorice) root extract, saxifraga sarmentosa extract, vitis vinifera (grape) fruit extract, scutellaria baicalensis root extract, morus bombycis root extract, diacetyl boldine, palmitoyl oligopeptide, palmitoyl tetrapeptide-7, soluble collagen, sodium hyaluronate, centella asiatica extract, echinacea purpurea extract, dipotassium glycyrrhizate, bisabolol, isohexadecane, ammonium acryloyldimethyltaurate/vp copolymer, ammonium polyacryloyldimethyl taurate, polysorbate 20, polysorbate 40, nylon-12, xanthan gum, carbomer, citric acid, potassium hydroxide, sodium citrate, disodium edta, phenoxyethanol, silica, mica (ci 77019), tin oxide (ci 77861), fragrance (parfum) 15	(vegetable) collagen, water/aqua/eau, dimethicone, butylene glycol, polysilicone-11, glycerin, caffeine, squalane, soluble collagen, collagen amino acids, hydrolyzed collagen, palmitoyl dipeptide-5 diaminobutyroyl hydroxythreonine, palmitoyl tripeptide-5, acetyl tetrapeptide-2, sodium hyaluronate, hydroxyproline, sodium citrate, citric acid, acrylamide/sodium acryloyldimethyltaurate copolymer, ammonium acryloyldimethyltaurate/vp copolymer, hydroxystearic acid, magnesium chloride, polysorbate 20, polysorbate 80, sodium hydroxide, sorbitan isostearate, decyl glucoside, lauryl glucoside, tetradecyl aminobutyroylvalylaminobutyric urea trifluoroacetate, leuconostoc/radish root ferment filtrate, disodium edta, potassium sorbate, sodium benzoate, isohexadecane, ethylhexylglycerin, hexylene glycol, caprylyl glycol, phenoxyethanol, mica (ci 77019)

No. of common ingredients = 0

Total Number of ingredients = 45

Total Number of ingredients = 39

Cyclomethicone, water/aqua/eau, disiloxane, polyethylene, dimethicone, polysilicone-11, cyclopentasiloxane, ascorbyl glucoside, caprylic/capric triglyceride, butylene glycol, glycerin, vinyl dimethicone/methicone silsesquioxane crosspolymer, peg-10 dimethicone, titanium dioxide (ci 77891), glycyrrhiza glabra (licorice) root extract, saxifraga sarmentosa extract, vitis vinifera (grape) fruit extract, scutellaria baicalensis root extract, morus bombycis root extract, diacetyl boldine, palmitoyl oligopeptide, palmitoyl tetrapeptide-7, soluble collagen, sodium hyaluronate, centella asiatica extract, echinacea purpurea extract, dipotassium glycyrrhizate, bisabolol, isohexadecane, ammonium acryloyldimethyltaurate/vp copolymer, ammonium polyacryloyldimethyl taurate, polysorbate 20, polysorbate 40, nylon-12, xanthan gum, carbomer, citric acid, potassium hydroxide, sodium citrate, disodium edta, phenoxyethanol, silica, mica (ci 77019), tin oxide (ci 77861), fragrance (parfum)

(vegetable) collagen, water/aqua/eau, dimethicone, butylene glycol, polysilicone-11, glycerin, caffeine, squalane, soluble collagen, collagen amino acids, hydrolyzed collagen, palmitoyl dipeptide-5 diaminobutyroyl hydroxythreonine, palmitoyl tripeptide-5, acetyl tetrapeptide-2, sodium hyaluronate, hydroxyproline, sodium citrate, citric acid, acrylamide/sodium acryloyldimethyltaurate copolymer, ammonium acryloyldimethyltaurate/vp copolymer, hydroxystearic acid, magnesium chloride, polysorbate 20, polysorbate 80, sodium hydroxide, sorbitan isostearate, decyl glucoside, lauryl glucoside, tetradecyl aminobutyroylvalylaminobutyric urea trifluoroacetate, leuconostoc/radish root ferment filtrate, disodium edta, potassium sorbate, sodium benzoate, isohexadecane, ethylhexylglycerin, hexylene glycol, caprylyl glycol, phenoxyethanol, mica (ci 77019)

Notable ingredients

Brilliant C Brightening Serum

FIRMx Collagen Serum

Sunscreen/UV filter: Titanium dioxide (ci 77891)

Soothing: Bisabolol, Centella asiatica extract, Glycyrrhiza glabra (licorice) root extract, Scutellaria baicalensis root extract

Antioxidant: Ascorbyl glucoside, Centella asiatica extract

Antioxidant: Caffeine

Solvent: Water/aqua/eau, Butylene glycol, Glycerin, Hexylene glycol, Isohexadecane

Anti-microbial: Leuconostoc/radish root ferment filtrate, Phenoxyethanol

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Ingredients with their functions

Brilliant C Brightening Serum

FIRMx Collagen Serum

Cyclomethicone

Function: Emollient/Moisturizer, Skin conditioning, Solvent

We don’t have a detailed description of this ingredient yet.

Water/aqua/eau

Also-called: Aqua, Aqua/Water, Water/Aqua/Eau, Aqua/Water/Eau | Function: Skin conditioning, Solvent

Water serves as a fundamental component in skincare products, often listed as the first ingredient, which means it's the most abundant. It acts as a solvent, helping to dissolve other ingredients and facilitate the application and absorption of products.

Disiloxane

Function: Skin conditioning

We don’t have a detailed description of this ingredient yet.